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Inspired by old-school quality tools, The Good Rule is for you – the builder, the maker, the creator. Designed with dimensions that make sense for the way we build today, and made to help all your good ideas, cunning plans, and personal projects come together.


Standard width — 1/2 sheet + stud spacing + floor joist spacing

Framing timber and stud width — nogs + dwangs

Standard screw spacing — GIB + ply

Easy angle finder


5mm + 10mm ruler thickness for handy reference

0.5mm marked increments ideal for small accurate work

50mm highlighted increments for easy spotting

Center-line feature for measuring offset lines or splitting centers

Fluoro green with red markings for maximum contrast

Hi-VIS colour to make it hard to lose and easy to find

The Good Rule is made of tough engineered ABS plastic with a hardy brass protractor hinge and brass pins.

Note: The quick angle feature though all accuracy and attention to detail is adhered to the angels will vary slightly between rules.

It’s a tricky little bugger to get right.


There are manufacturing limitations that we reach with this feature compounding the tolerances.


Printing is done through a printing process with a >0.5mm accuracy

The moulded parts have a >0.3mm accuracy

The brass hardware has a >0.3mm accuracy 

Use it like a bevel. It is perfect for quickly finding a bend in a pipe, roof pitch guess, post brace cut ect...


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